Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,550,252",
      "signature": "0xb48d470fe881709d007753cff15a3e9bbb6e9c02ab43ab3c4db24f9920a6ca230697e96c58d48a0e1a71029adf110a3a",
      "randomness": "0xfd5682087b11f559cebd438e8cfb5efb1ea1aa10f9f4d8cc0ea155ef1ea616ab"
    }
  ],
  "blockNumber": "7,407,898"
}

{
  "Sr25519": "0xd20fe682149abdf8fc1280bb38caf2093575ab5c9969a1a00789081d51c820139732997677945d13b7f429414519b95e70b8cedd2731ee55cf2e55e159c05d84"
}